Abstract:According to the data obtained in the autumn-winter period, the excess of PM2.5 in air during the schoolday after a short stay by pupils in the school yards was 1.5 –2 times. The PM2.5 concentration in the autumn - winter period was up to 1.5 times higher than that of the spring – summer time. High concentrations of dust particles are observed in areas close to heavy traffic in winter in the South-Eastern part of the city. Low concentrations were recorded in the autumn-winter time in areas adjacent to forests … Show more
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